OpenTechnical

OT-2026-000053075

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053075) never changes.

Identity and time

Publication numberOT-2026-000053075 · never reused
Internal UUID01a0ae84-a431-70b6-aea8-f0bff55ecb3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053075
StatusPUBLIC

Content hashes

Canonical textef65f562d5c4bb4a4337b84f80b8eb850b899906a513d812a608175901c403cc
Markdownfb11c2294495ecad41df080c0206631ecddce886102d8ff53941aadd0c03649f
PDF
Publication pageaa4322c554bee41263f5db77046799b907238f3ee5dba8884bf7cba7383ee322
Manifest967f0d5924d3f9bbf7492f9d16bce6b8520e8cff703e071dbaaa437c4b3d6874

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1Lg0qjGus//OFyM3ob3E/izbR7t3efBItG6LmUuQWLMmIx5Teqz7BVtz/1PEIWUik/i+2985z3BWObqXWY5BCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:47.555015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053075
observed aa4322c554bee41263f5db77046799b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.539151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053075/manifest.json
observed 967f0d5924d3f9bbf7492f9d16bce6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.523806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053075/publication.md
observed fb11c2294495ecad41df080c0206631e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.506165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053075/publication.txt
observed ef65f562d5c4bb4a4337b84f80b8eb85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.